Swap Ethereum (ETH Optimism) for Ethereum (ETH BASE)
The calculator does the maths at the live rate, the page lists the limits and the timing. Your rate is locked the moment the order is created.
Rate as of Sep 17, 2026 00:33
- Payout network
- BASE
- 24 hours
- 0%
Today ETH Optimism goes for 1.0025 ETH BASE, and ETH BASE goes for 0.997496 ETH Optimism. Market over 24 hours: ETH Optimism against ETH BASE a move of 0%. The week added a move of 0%.
The weekly corridor ran from 1 to 1 ETH BASE, a spread of 0%.
The payout leaves in the BASE network, so the receiving address has to belong to that network.
Who takes the ETH Optimism → ETH BASE route
- Moving between networksETH in Optimism (fee ≈ < $0.0001) becomes BASE (fee —) — the usual way to top up a wallet or an exchange that speaks one network only.
- A road both waysThe ETH BASE → ETH Optimism direction is open too, so going back into ETH takes the same route.
ETH Optimism → ETH BASE rate and amounts
Send ETH Optimism — receive ETH BASE
| ETH Optimism | ETH BASE | ≈ USD |
|---|---|---|
| 0.005 | 0.00501255 | $12.03 |
| 0.02 | 0.0200502 | $48.13 |
| 0.1 | 0.100251 | $240.66 |
| 1 | 1.0025 | $2,406.59 |
| 5 | 5.0126 | $12,032.95 |
| 20 | 20.0502 | $48,131.80 |
Need ETH BASE — send this much ETH Optimism
| ETH BASE | ETH Optimism | ≈ USD |
|---|---|---|
| 0.005 | 0.00498748 | $12.00 |
| 0.02 | 0.0199499 | $48.01 |
| 0.1 | 0.0997496 | $240.06 |
| 1 | 0.997496 | $2,400.56 |
| 5 | 4.9875 | $12,002.82 |
| 20 | 19.9499 | $48,011.29 |
Payout network for ETH
The same ETH goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.
| Network | Per ETH Optimism | From | Network fee | Speed |
|---|---|---|---|---|
| Arbitrum One | 0.999 | 2.95 ETH Optimism | ≈ $0.001 | fast |
| BNB Smart Chain (BEP20) | 0.999 | 2.95 ETH Optimism | ≈ $0.0023 | fast |
| Ethereum | 1.0055 | 2.95 ETH Optimism | ≈ $0.0051 | — |
| BASE open now | 1.0025 | — | — | — |
How the ETH Optimism → ETH BASE order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a ETH address in BASE and a way to reach you.
- Send ETH Optimism in Optimism for exactly the amount stated in the order.
- Once the network confirms your transfer, Ethereum BASE leaves for your address. The order page tracks every step.
Check this before sending ETH Optimism
- The address network is BASE. Sending through another network usually means losing the transfer.
- Copy the address whole, then compare the first and last characters after pasting.
- Coins go through an AML check: a flagged transfer can be held until the check is finished.
Where the ETH Optimism to ETH BASE rate has been
- 24 hours
- 0%
- Week
- 0%
- Weekly high
- 1 ETH BASE
- Weekly low
- 1 ETH BASE
- Spread
- 0%
Market data from CoinGecko as of Sep 16, 2026 21:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far ETH Optimism/ETH BASE travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 1 | 1 | 1 | 0% |
| Week | 1 | 1 | 1 | 0% |
Figures are in ETH BASE per unit sent, from market data.
The numbers on ETH
- Price
- $2,406.59
- 24 hours
- −0.81%
- Week
- −4.2%
- Market cap
- $293.66 B
- 24-hour turnover
- $17.68 B
- Rank by cap
- #2
- In circulation
- 122.05 M ETH
- Record price
- $4,946.05
Source: CoinGecko, Sep 16, 2026 21:24.